Event Lighting DNG100 - Fog CoolerOnline Stock Only. Local pickup may be available on some items with prior arrangement. We Price Match please call in or text 04 5555 1974. The DNG 100 converts normal fog from any fog machine (suggested models below) into a floor hugging cloud of dense, white fog that s almost virtually similar to the dry ice effect. This is achieved by cooling the temperature of the fog to the point where it falls to the ground. The DNG 100 is easy to operate as